Matematica 2022-I turno tarde

Quiz
•
Education
•
1st - 5th Grade
•
Hard
wagner sanchez
Used 1+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Una empresa de artefactos electrodomésticos
determina que si produce X hornos tostadores por
mes, su costo Y de producción está dado por la
ecuación como sigue:
Y=6X+3000
donde Y se mide en dólares.
Si el costo de producción fuese de 3600 dólares,
entonces el número de tostadores es
70
80
90
100
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En una urna se tiene cuatro fichas numeradas: 1, 2, 3,
4, y de ellas se extraen dos fichas sin reposición. Si X
es la variable aleatoria que representa la suma de los
cuadrados de los dos números obtenidos, determine
la esperanza de dicha variable.
12
15
24
21
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
-29
-35
-33
-27
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Determine la suma de las cifras del menor número
R=abc9 de tal manera que sea un cubo perfecto.
26
27
28
29
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Julia compró 90 kilos de café a 1080 soles. Ella sabe
que dicho café es la mezcla de dos tipos diferentes,
cuyos precios “por kilo” son 9 y 13 soles, respecti-
vamente.
Entonces, la cantidad de kilos de café de 13 soles
que usó es
67
67,5
68
68,5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A
B
C
D
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